.circulo{
    border-radius: 50%;
    display: block;
    border: 1px solid #000000;
    background-color: #2F4F4F;
    text-align: center;
    height: 20px;
    line-height: 80px;
    color: #FFFFFF;
}
.circulo2{
    border-radius: 50%;
    display: block;
    /*border: 1px solid #000000;*/
    text-align: center;
    height: 20px;
    line-height: 80px;
}